Results 81 to 90 of about 329,940 (300)
Revista Brasileira de Zootecnia, 2008 O comportamento sexual foi avaliado em 88 touros das raças Angus, Gir, Guzerá e Nelore, com 5 anos de idade, em média, peso médio de 906 kg e circunferência escrotal média de 41 cm, submetidos ao manejo reprodutivo em central de coleta e processamento de
Daniela Sartori Rocha Bascuñan +4 more
doaj +1 more source
International Scholarly Research Notices, 2014 The present study was undertaken to assess the relationship between the scrotal circumference and testicular parameters with body weight and age in Tho Tho bulls (Bos indicus), which were maintained at around the villages of National Research Centre on ...
P. Perumal
semanticscholar +1 more source
Genetic evaluation of Holstein-Friesian and Jersey sires using records from pure- and cross-bred progeny in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in animal science at Massey University [PDF]
, 1991 Milk Yield, Milk Fat Yield, Milk Protein Yield and Days in Milk of 72,480 dairy cows of Holstein-Friesian, Jersey and their reciprocal crossbred were analysed.
Nejati-Javaremi, Ardeshir
core
The effect of genomic information on optimal contribution selection in livestock breeding programs [PDF]
, 2013 BACKGROUND: Long-term benefits in animal breeding programs require that increases in genetic merit be balanced with the need to maintain diversity (lost due to inbreeding). This can be achieved by using optimal contribution selection. The availability of
Clark, Samuel A +3 more
core +2 more sources
Colloquium Agrariae, 2012 The number of doses per pregnancy gives an indication of the fertility of the cow, the quality of semen and insemination. Therefore, the goal of this study was to investigate the relationship between the physical and morphological assessment of semen ...
José de Oliveira Guerra Neto +4 more
doaj +1 more source
BMC Genomics, 2014 BackgroundRecent transcriptomic analysis of the bovine Y chromosome revealed at least six multi-copy protein coding gene families, including TSPY, HSFY and ZNF280BY, on the male-specific region (MSY).
X. Yue +6 more
semanticscholar +1 more source
Trunk motion visual feedback during walking improves dynamic balance in older adults: Assessor blinded randomized controlled trial. [PDF]
, 2018 BACKGROUND: Virtual reality and augmented feedback have become more prevalent as training methods to improve balance. Few reports exist on the benefits of providing trunk motion visual feedback (VFB) during treadmill walking, and most of those reports ...
Anson, Eric +6 more
core +1 more source
Carcass characteristics of cattle differing in Jersey proportion [PDF]
, 2018 peer-reviewedComparison of alternative dairy (cross-)breeding programs requires full appraisals of all revenues and costs, including beef merit. Few studies exist on carcass characteristics of crossbred dairy progeny originating from dairy herds as well ...
Berry, Donagh +4 more
core +1 more source
The Spermiocytogenesis of the Bull [PDF]
Acta Veterinaria Scandinavica, 1960 Each stage of cell division during spermiocytogenesis in the bull may be determined by its characteristic chromosome morphology. In the present work each stage of cell division is demonstrated by a schematic picture, one light microscope photo from a squash prepa ration and one from a section, and in this wayan attempt has been made to illuminate ...
Odd Knudsen, N. Bryne
openaire +2 more sources